Home / 77,574.37-116,359.23-21,417.91

Finding the Fourth Proportional to 77,574.37, 116,359.23 and 21,417.91

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Solution

The fourth proportional to 77,574.37, 116,359.23 and 21,417.91 is: 32,126.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,574.37 : 116,359.23 = 21,417.91 : x
  2. Step 2: Convert to fraction form
    77,574.37/116,359.23 = 21,417.91/x
  3. Step 3: Cross multiply
    77,574.37x = 116,359.23 × 21,417.91
  4. Step 4: Simplify right side
    77,574.37x = 2,492,171,224.91
  5. Step 5: Solve for x
    x = 2,492,171,224.91/77,574.37
  6. Step 6: Final answer
    x = 32,126.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.